Develop Reference

Create an alertdialog which include a list

How can I make a list on AlertDialog which include some radiobuttons in that , and when I clicked on items of the AlertDialog , do something like toast .

Try this:
//Setup the alert builder
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("Choose an animal");// add a radio button list
String[] animals = {"horse", "cow", "camel", "sheep", "goat"};
int checkedItem = 1; // cow
builder.setSingleChoiceItems(animals, checkedItem, new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
//Here you can implement Toast Message
}
});
//Add OK and Cancel buttons
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
//Handle when user clicks OK
}
});
builder.setNegativeButton("Cancel", null); //Create and show the alert dialog
AlertDialog dialog = builder.create();
dialog.show();
Let me know if that helped :)

How to set Close button to the AlertDialog box in android studio

I want to add one more button that if someone presses the back button two times the alert dialog box should disappear or at least get a close dialog box X button on the top right side of the alert box. I have already used setpossitivebutton and setnegativebutton.
public void onBackPressed()
{
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle(R.string.app_name);
builder.setIcon(R.mipmap.ic_launcher);
builder.setMessage("Wanna Exit?")
.setCancelable(false)
.setPositiveButton("Exit", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
finish();
}
})
.setNegativeButton("Share on Whatsapp", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT,"simple text");
sendIntent.setType("text/plain");
sendIntent.setPackage("com.whatsapp");
startActivity(sendIntent);
}
});
AlertDialog alertDialog = builder.create();
alertDialog.show();
}

Try this code :
AlertDialog alertDialog;
public void onBackPressed() {
if(alertDialog == null || !alertDialog.isShowing()){
alertDialog = = new AlertDialog.Builder(context)
.setTitle("Delete entry")
.setMessage("Are you sure you want to delete this
entry?")
.setPositiveButton(android.R.string.yes, new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// continue with delete
}
})
.setNegativeButton(android.R.string.no, new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// do nothing
}
})
.setIcon(android.R.drawable.ic_dialog_alert)
.show();
}else{
alertDialog.cancel();
}
}
Hope it will help you :)

How to let alertDialog pop-out every time I run my app?

After installing the app, an alertDialog will pop-out. I wanted it to have a edit text field asking for the name of the user. After answering, it will never show again. Then afterwards, every time I open the app, another alertDialog will pop-out like a greeting to the user.
public class MainActivity extends Activity {
final Context context = this;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
AlertDialog.Builder alert = new AlertDialog.Builder(context);
alert.setTitle("Welcome");
alert.setMessage("Enter Your Name Here");
final EditText input = new EditText(context);
alert.setView(input);
alert.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
}
});
AlertDialog alertDialog = alert.create();
alertDialog.show();
AlertDialog.Builder a_builder = new AlertDialog.Builder(MainActivity.this);
a_builder.setMessage("Mabuhay!")
.setCancelable(true)
.setPositiveButton("ok", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
AlertDialog alert = a_builder.create();
alert.show();
}
}

After the user has entered his name on the first open of your app, you can write the given username into the SharedPreferences of your Application.
When a user now opens the app at any other time, you can simply check if you have an entry in the sharedpreferences of your application, and greet the user with the appropriate user name.
//instance variable in the Mainactivity.class
private boolean showMessage = true;
SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
String username = sharedPref.getString("username", null);
if(username == null){
//first time user - ask for username
SharedPreferences.Editor editor = sharedPref.edit();
editor.putString("username", enteredName);
editor.commit();
showMessage = false;
} else if(showMessage) {
showMessage = false;
//greet
AlertDialog.Builder alert = new AlertDialog.Builder(MainActivity.this);
alert.setMessage("Hello " + username + "!")
.setCancelable(true)
.setPositiveButton("ok", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
alert.create().show();
}

You can use two methods for do this.
The first is by using the alert dialog like your example, you can find here how use dialogs.
Dialogs by Android Developer.
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setMessage(R.string.dialog_message)
.setTitle(R.string.dialog_title);
AlertDialog dialog = builder.create();
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
// Add the buttons
builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User clicked OK button
}
});
builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User cancelled the dialog
}
});
// Set other dialog properties
...
// Create the AlertDialog
AlertDialog dialog = builder.create();
Or you can create an anctivity dialog by setting in the manifest the dialog theme, and you can find it here.
for further explanations let me know!

Checkbox dialog not working

When I write this code, it only shows dialog with one button, but not showing check boxes.
I don't know what's the problem.
private void showDialog(){
final ArrayList selectedItems = new ArrayList();
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this);
dialogBuilder.setTitle("asdasd");
dialogBuilder.setMessage("asdasd");
final String[] options = {"asd", "dsa","asd","aa"};
dialogBuilder.setMultiChoiceItems(options, null, new DialogInterface.OnMultiChoiceClickListener() {
#Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if(isChecked){
selectedItems.add(which);
}else if(selectedItems.contains(which)){
selectedItems.remove(Integer.valueOf(which));
}
}
});
dialogBuilder.setNegativeButton("CANCEL",null);
AlertDialog dialog = dialogBuilder.create();
dialog.show();
};

Just see this link, and here is some code:
#Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(R.string.pick_color);
.setItems(R.array.colors_array, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// The 'which' argument contains the index position
// of the selected item
}
});
return builder.create();
}
Hope you can solve your problem.

How to Set icon(image) in DialogBox While Click in Button Event

I created a Button,While i Click that Button a new Dialog Box is Displayed.In that dialog Box i have set icon and text.text is Displayed but icon(image) is not displayed in dialog Box.
Here my Coding
Button btnteam_westernbulldogs=new Button(this);
btnteam_westernbulldogs.setId(team_westernbulldogsid);
btnteam_westernbulldogs.setBackgroundResource(R.drawable.team_westernbulldogs);
public void onClick(View v){
createbtnteam_westernbulldogs();
}
});
public void createbtnteam_westernbulldogs()
{
AlertDialog alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setIcon(R.drawable.team_westernbulldogs);
alertDialog.setMessage("What kind of Banner do you Want to Create?");
alertDialog.setButton("Text", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
createText();
}
alertDialog.setIcon(R.drawable.icon);
alertDialog.show();
} });

Try this..
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to exit?")
.setIcon(R.drawable.icon)
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
MyActivity.this.finish();
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
dialog.cancel();
}
});
AlertDialog alert = builder.create();

public void createbtnteam_westernbulldogs()
{
AlertDialog alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setIcon(R.drawable.team_westernbulldogs);
alertDialog.setTitle("What kind of Banner do you Want to Create?");
alertDialog.setButton("Text", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
createText();
}
alertDialog.setIcon(R.drawable.icon);
alertDialog.show();
} });

You must call setTitle with non-empty string!
Icon is displayed only if there's also title.